Home / 216,746.48-299,170.29-126,120

Finding the Fourth Proportional to 216,746.48, 299,170.29 and 126,120

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Solution

The fourth proportional to 216,746.48, 299,170.29 and 126,120 is: 174,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,746.48 : 299,170.29 = 126,120 : x
  2. Step 2: Convert to fraction form
    216,746.48/299,170.29 = 126,120/x
  3. Step 3: Cross multiply
    216,746.48x = 299,170.29 × 126,120
  4. Step 4: Simplify right side
    216,746.48x = 37,731,356,974.80
  5. Step 5: Solve for x
    x = 37,731,356,974.80/216,746.48
  6. Step 6: Final answer
    x = 174,080.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.